With springy ReactX foam, the Vomero 18 gives you a comfortable, responsive ride for your daily runs. Lightweight textiles up top help your feet breathe, so you stay cool no matter how many miles you log. What's New Responsive ReactX foam in the midsole helps power up your runs with cushioned comfort. Engineered Mesh Upper Lightweight mesh and airy knit textiles in the upper help add breathability to your runs. Responsive ReactX Foam We stacked the midsole with springy ReactX foam to help add energy to your every stride. Podular Outsole Nubby pods ring the durable rubber outsole, helping promote smooth heel-to-toe transitions. Plush Tongue A plush tongue and lining give you a comfortably snug feel.